| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [prep] | 8214 |
|
| 2 | [vb past] [prep] first | 316 |
|
| 3 | which [vb past] first | 48 |
|
| 4 | which [prep] first | 43 |
|
